ROCKBOND ADMIX 701 (RB A701) powder is blend of waterproofing admixtures that has been specially designed for use with Portland cement renders, mortars and non flow concretes. The admixture, when mixed with cementitious materials, dramatically reduces the ingress and passage of water and aggressive chemicals through the pores and capillaries of the hardened cement. The compound is ready to use, supplied to order, packaged in moisture proof, durable bags and has a shelf life of two years.